Knob



FIG. 1 is a perspective view of a knob of the new design;

FIG. 2 is a front elevational view of the knob of FIG. 1;

FIG. 3 is a rear elevational view of the knob of FIG. 1;

FIG. 4 is a left side elevational view of the knob of FIG. 1;

FIG. 5 is a right side elevational view of the knob of FIG. 1;

FIG. 6 is top plan view of the knob of FIG. 1; and,

FIG. 7 is a bottom plan view of the knob of FIG. 1.

The portions of the Figures shown in broken lines are not part of the claimed design but are for illustration only. 

The ornamental design for a knob, as shown and described. 